wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

The value of (cot25)(cos25)(cot25cos25).is equal to

Open in App
Solution

cot2θcos2θ
=cos2θsin2θcos2θ
=cos2θ(1sin2θsin2θ)
=cos2θcos2θsin2θ
=cot2θcos2θ
cot2θcos2θcot2θcos2θ=1
By putting θ=5
(cot25)(cos25)(cot25cos25)=1.

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Trigonometric Identity- 1
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon